Form DEFA14A LUMINEX CORP

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

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LUMINEX CORPORATION

(Name of registrant as specified in its charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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We are pleased to announce that earlier this week, we signed an agreement for DiaSorin S.p.A. (FTSE MIB: DIA) to acquire Luminex Corporation (NASDAQ: LMNX).

DiaSorin is a multi-national leader in in vitro diagnostics, with approximately 2,000 employees worldwide and offices and production facilities in Italy, Germany, the US, and the UK. We believe that this transaction creates significant opportunities for both Luminex and DiaSorin customers to gain access to broader assay portfolios, enhanced research tools, and expanded support services and that the combination will strengthen the combined companies’ existing offerings and drive new partnerships in the biopharmaceutical, academic, and clinical spaces.

We are also excited about the opportunities this transaction will create for the patients and markets that Luminex and DiaSorin serve. Improving clinical outcomes and simplifying complex workflows remains at the forefront of what we do at Luminex, and with DiaSorin’s commitment to value-based point-of-care products, we are confident that customers of both companies will benefit.

We will work closely with DiaSorin to implement a comprehensive integration strategy and look forward to providing access to additional resources, products, and support once the acquisition is complete.

The transaction is expected to close within the third quarter of 2021 and is subject to Luminex shareholder approval and to other customary closing conditions, including the satisfaction of regulatory requirements. In the interim, both companies will continue to operate independently and your current contacts at Luminex will remain the same.

Thank you for your continued support of Luminex’s products. As more information becomes available in the coming months, we will keep you apprised of any changes that may affect you or your business. If you have any questions as we move forward with completing this transaction, please don’t hesitate to reach out to your Luminex representative or Luminex Global Support Services at [email protected].

Regards,

Nachum “Homi” Shamir

Chairman, President and CEO

Luminex Corporation

Forward-looking statements

This communication, and the documents to which the Company refers you in this communication, contains not only historical information, but also forward-looking statements made pursuant to the safe-harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements represent the Company’s expectations or beliefs concerning future events, including the timing of the

transaction and other information relating to the transaction. Forward-looking statements include information concerning possible or assumed future results of operations of the Company, the expected completion and timing of the transaction and other information relating to the transaction. Without limiting the foregoing, the words “believes,” “anticipates,” “plans,” “expects,” “intends,” “forecasts,” “should,” “estimates,” “contemplate,” “future,” “goal,” “potential,” “predict,” “project,” “projection,” “may,” “will,” “could,” “should,” “would,” “assuming” and similar expressions are intended to identify forward-looking statements. You should read statements that contain these words carefully. They discuss the Company’s future expectations or state other forward-looking information and may involve known and unknown risks over which the Company has no control. Those risks include, (i) the risk that the transaction may not be completed in a timely manner or at all, which may adversely affect the Company’s business and the price of the common stock of the Company, (ii) the failure to satisfy the conditions to the consummation of the transaction, including the adoption of the merger agreement by the stockholders of the Company and the receipt of regulatory approvals from various governmental entities (including any conditions, limitations or restrictions placed on these approvals) and the risk that one or more governmental entities may deny approval, (iii) the occurrence of any event, change or other circumstance that could give rise to the termination of the merger agreement, (iv) the risk that the definitive merger agreement may be terminated in circumstances that require the Company to pay a termination fee; (v) risks regarding the failure to obtain the necessary financing to complete the merger, (vi) the effect of the announcement or pendency of the transaction on the Company’s business relationships, operating results and business generally, (vii) risks that the proposed transaction disrupts current plans and operations, (viii) risks related to diverting management’s attention from the Company’s ongoing business operations, and (ix) the outcome of any legal proceedings that may be instituted against the Company related to the merger agreement or the transaction. Forward-looking statements speak only as of the date of this communication or the date of any document incorporated by reference in this document. Further risks that could cause actual results to differ materially from those matters expressed in or implied by such forward-looking statements are described in the Company’s SEC reports, including but not limited to the risks described in the Company’s Annual Report on Form 10-K for its fiscal year ended December 31, 2020. Except as required by applicable law or regulation, the Company does not undertake to update these forward-looking statements to reflect future events or circumstances.

Additional Information and Where to Find It

In connection with the merger, the Company intends to file relevant materials with the Securities and Exchange Commission (the “SEC”), including a proxy statement on Schedule 14A. Promptly after filing its definitive proxy statement with the SEC, the Company will mail the definitive proxy statement and a proxy card to each stockholder entitled to vote at the special meeting relating to the merger. INVESTORS AND SECURITY HOLDERS OF THE COMPANY ARE URGED TO READ THESE MATERIALS (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS IN CONNECTION WITH THE MERGER THAT THE COMPANY WILL FILE WITH THE SEC WHEN THEY BECOME

AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE COMPANY AND THE MERGER. The definitive proxy statement, the preliminary proxy statement and other relevant materials in connection with the merger (when they become available), and any other documents filed by the Company with the SEC, may be obtained free of charge at the SEC’s website (http://www.sec.gov) or at the Company’s website luminexcorp.com or by writing to the Company’s Secretary at 12212 Technology Blvd., Austin, Texas 78727.

Participants in the Solicitation

The Company and its directors and executive officers may be deemed to be participants in the solicitation of proxies from the Company’s stockholders with respect to the merger. Information about the Company’s directors and executive officers and their ownership of the Company’s common stock is set forth in the proxy statement on Schedule 14A filed with the SEC on March 31, 2021 and the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2020. To the extent that such individual’s holdings of the Company’s common stock have changed since the amounts printed in the Company’s proxy statement, such changes have been or will be reflected on Statements of Change in Ownership on Form 4 filed with the SEC. Information regarding the identity of the potential participants, and their direct or indirect interests in the merger, by security holdings or otherwise, will be set forth in the proxy statement and other materials to be filed with SEC in connection with the merger.